Respuesta :

Answer:

9y

Step-by-step explanation:

Add 7y and 5y which equals 12y. Then subtract 3y from 12y and u get 9y. It might be wrong


Let's simplify step-by-step.
7
y
+
5
y

3
y
=
7
y
+
5
y
+

3
y
Combine Like Terms:
=
7
y
+
5
y
+

3
y
=
(
7
y
+
5
y
+

3
y
)
=
9
y